B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
153/3
B21D 1/14 (2006.01)
Patent
CA 2016025
ABSTRACT OF THE DISCLOSURE: A force applying structure is made to be fixed on the periphery of a frame straightening bench for a vehicle for simultaneously pushing and pulling on a part of the vehicle. The structure includes an upstanding post rigidly fixed in spaced relationship with the straightening bench. A device is mounted on the post for pulling on a chain and pushing with a hydraulic cylinder. The device comprises a base plate vertically fixed on the post and partition plates mounted edgewise on the bass plate for forming a horizontal and a vertical channel forming a cross-shape recess. A first hydraulic cylinder is secured in one of the channel parallel to the base plate and has a piston projecting away from the intersection of the channels. At the intersection of the channels adjacent the first cylinder a pair of guide member having a partly circular contour extends inside the channels. Anchor means are provided on the base plate and are adapted to anchor a chain which passes over a wheel mounted at the end of the piston of the first cylinder, over one of the guide members and at least one pulley mounted across anyone of the channels. A second hydraulic cylinder is removably fixed to extend away from one of the channels. When the second cylinder and the chain are simultaneously pushing and pulling on a part of the vehicle body, or on a vehicle wheel for an alignment correction, the desired straightening result is obtained.
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